Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thang » cang thang, cong thong, cung thang
cong thanh » dong thanh, cong trinh, cong tan
toan thuc » toan hoc, dan thuc, nhan thuc
thuc hung » thuc chung, thuc nhung, thuc dung
cong than » cong tan, cong thai, cong nhan
phan cac » nhan cach, phan dau, phan lap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu xanh - tinh toan thuc hung ((cong than) or (((cong thang) OR (cong thanh)))) phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - tinh toan thuc hung ((cong than) OR (((cong thang) OR (cong thanh)))) phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu xanh - tinh toan thuc hung ((cong than) or (((cong thang) OR (cong thanh)))) phan cac".
• Adding a wildcard symbol may retrieve word variants: theo chieu xanh - tinh toan thuc hung ((cong than) or (((cong thang) OR (cong thanh)))) phan cac*.